(b) Consideration and rulingFor each petition submitted to the Secretary in accordance with subsection (a), the Secretary shall—

(1)

within 90 days after receiving the petition, issue and publish in the Federal Register a preliminary ruling regarding whether the petition presents sufficient information indicating that the action requested in the petition might be warranted; and

(2) for each petition determined to present such sufficient information—

(A)

provide an opportunity for the submission of public comment on the petition; and

(B)

issue and publish in the Federal Register a final ruling on the petition, by not later than 90 days after the end of the period for public comment.